package com.cskaoyan.order.mq.delay;

import lombok.extern.slf4j.Slf4j;
import org.apache.rocketmq.client.exception.MQBrokerException;
import org.apache.rocketmq.client.exception.MQClientException;
import org.apache.rocketmq.client.producer.DefaultMQProducer;
import org.apache.rocketmq.client.producer.SendResult;
import org.apache.rocketmq.client.producer.SendStatus;
import org.apache.rocketmq.common.message.Message;
import org.apache.rocketmq.remoting.exception.RemotingException;
import org.springframework.stereotype.Component;

import javax.annotation.PostConstruct;
import java.nio.charset.Charset;

/**
 * @auther cskaoyan
 * @date 2022/6/21:17:15
 */
@Component
@Slf4j
public class DelayOrderCancelProducer {

    private DefaultMQProducer producer;

    /*
         加了@PostConstruct的方法，Spring在初始化对象的时候，就会自动调用
     */
    @PostConstruct
    public void init() {
        producer = new DefaultMQProducer("delay_order_cancel_producer");

        producer.setNamesrvAddr("127.0.0.1:9876");

        try {
            producer.start();
        } catch (MQClientException e) {
            e.printStackTrace();
        }
    }

    public boolean sendDelayOrderMessage(String orderId) {
        // 一定要添加日志
        log.info("before send message {}", orderId);
        // 准备延迟消息
        Message message = new Message();
        message.setTopic("delay_order_cancel");
        message.setBody(orderId.getBytes(Charset.forName("utf-8")));

        // 设置时间延迟级别
        message.setDelayTimeLevel(4);

        SendResult send = null;
        try {
            send = producer.send(message);
        } catch (MQClientException e) {
            e.printStackTrace();
        } catch (RemotingException e) {
            e.printStackTrace();
        } catch (MQBrokerException e) {
            e.printStackTrace();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }

        if (send != null && SendStatus.SEND_OK.equals(send.getSendStatus())) {
            // 消息发送成功
            return true;
        }

        // 消息发送失败
        return false;
    }
}
